Dropbox (NASDAQ: DBX) trust plans Form 144 sale of common shares

Rhea-AI Filing Summary

Dropbox common stock is the subject of a planned insider sale under Rule 144. A filing for The Andrew Houston Revocable Trust indicates an intention to sell 23,818 shares of common stock through Morgan Stanley Smith Barney LLC on or about January 12, 2026 on the NASDAQ, with an aggregate market value of $649,755.04. Shares of the issuer outstanding were 182,734,460, providing context for the size of the planned sale.

The notice also lists recent sales during the past three months by the same trust under a Rule 10b5-1 trading plan, including blocks such as 36,182 shares sold on January 9, 2026 for $996,325.64, and other common stock sales in November and December 2025 with disclosed gross proceeds. By signing, the seller represents they are not aware of undisclosed material adverse information about the company.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	23818	649755.04	182734460	01/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/25/2007	Founders Shares	Issuer			23818	06/25/2007	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for THE ANDREW HOUSTON REVOCABLE TRUST 1800 Owens Street San Francisco CA 94158	Common	01/09/2026	36182	996325.64
10b5-1 Sales for THE ANDREW HOUSTON REVOCABLE TRUST 1800 Owens Street San Francisco CA 94158	Common	01/02/2026	92668	2493373.72
10b5-1 Sales for THE ANDREW HOUSTON REVOCABLE TRUST 1800 Owens Street San Francisco CA 94158	Common	12/03/2025	9167	275010.00
10b5-1 Sales for THE ANDREW HOUSTON REVOCABLE TRUST 1800 Owens Street San Francisco CA 94158	Common	12/01/2025	92000	2716922.00
10b5-1 Sales for THE ANDREW HOUSTON REVOCABLE TRUST 1800 Owens Street San Francisco CA 94158	Common	11/14/2025	101167	3058267.14

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for DBX disclose?

It discloses that The Andrew Houston Revocable Trust intends to sell 23,818 shares of Dropbox common stock under Rule 144 through Morgan Stanley Smith Barney LLC.

How large is the planned Dropbox (DBX) share sale in this Form 144?

The filing states a planned sale of 23,818 common shares with an aggregate market value of $649,755.04, compared with 182,734,460 shares outstanding of the issuer.

When is the planned sale of DBX shares expected to occur?

The Form 144 lists an approximate date of sale of January 12, 2026 for the 23,818 Dropbox common shares.

Which broker is handling the planned Dropbox (DBX) Form 144 sale?

The filing names Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the broker for the planned sale.

What prior DBX stock sales by the same seller are disclosed?

The Form 144 lists several Rule 10b5-1 sales by The Andrew Houston Revocable Trust in the past three months, including 36,182 shares sold on January 9, 2026 for $996,325.64 and other common stock sales in November and December 2025 with stated gross proceeds.

How and when were the DBX shares being sold originally acquired?

The securities to be sold are identified as Common shares acquired on June 25, 2007 as Founders Shares from the issuer, with 23,818 securities acquired on that date and payment described as N/A.

What representation does the seller make in the DBX Form 144?

By signing, the person for whose account the securities are sold represents that they do not know any material adverse information about the issuer's current or prospective operations that has not been publicly disclosed, and makes a similar representation if relying on a Rule 10b5-1 plan.